diatonic
1. [ adjective ] (music) based on or using the five tones and two semitones of the major or minor scales of Western music
Related terms: tonal
2. [ adjective ] (music) based on the standard major or minor scales consisting of 5 tones and 2 semitones without modulation by accidentals
Related terms: chromatic music
Similar spelling:   diatomic
  dieting